Victor Handheld Thermo-Hygrometer – Large Screen, Alarm Settings, MAX/MIN & Data Hold for HVAC & Environmental Monitoring 231 231A

Precision Environmental Monitoring in Your Hand

• The Victor 231 and 231A are dedicated handheld thermo-hygrometer instruments designed to measure ambient temperature and relative humidity with stability and reliability.
• Whether you are an HVAC technician, a warehouse manager, a museum curator, or a home inspector, this handheld thermo-hygrometer delivers instant, accurate readings.

Wide Measurement Ranges for Diverse Applications

• Temperature range: -25°C to 75°C – covers freezing cold storage to hot server rooms.
• Humidity range: 0 to 99.9% RH – from dry desert conditions to near-saturation environments.
• No matter the location, this handheld thermo-hygrometer provides actionable environmental data.

Large, Clear Display for Easy Reading

• The large-screen LCD on this handheld thermo-hygrometer shows temperature and humidity simultaneously.
• No squinting or angle adjustments – the big digits are readable from across a room or in dim mechanical spaces.
• A dedicated backlight illuminates the screen for nighttime inspections, crawl spaces, or dark server racks.

Upper & Lower Limit Alarm Settings (Model Dependent)

• Set custom high and low alarm thresholds directly on the handheld thermo-hygrometer.
• When temperature or humidity exceeds your preset limits, the meter alerts you audibly or visually – perfect for:
  • Greenhouse climate control
  • Pharmaceutical storage monitoring
  • Data center humidity warnings
  • Food storage and walk-in coolers
• This turns a simple handheld thermo-hygrometer into a proactive monitoring tool.

Data Hold, Storage & MAX/MIN Recording

• Data hold (HOLD) – freezes the current reading on the display, allowing you to record values after moving away from the measurement point.
• Data storage (MEM) – save multiple readings for later review (231A specific features).
• MAX/MIN – automatically tracks the highest and lowest temperature and humidity readings over time.
• With these functions, this handheld thermo-hygrometer becomes a data-logging companion for trend analysis.

°C/°F Unit Conversion

• Instantly switch between Celsius and Fahrenheit with a single button.
• No mental math or conversion charts needed – this handheld thermo-hygrometer speaks your preferred unit language.
• Ideal for international users or teams working across different standards.

Exquisite & Compact Design

• The Victor 231/231A handheld thermo-hygrometer features an exquisite, compact form factor that fits comfortably in one hand.
• Slip it into a shirt pocket, tool pouch, or glove compartment – always ready when you need it.
• Despite its small size, the handheld thermo-hygrometer is built for stable and reliable field use.

Multi-Function Monitoring in One Device

• This is more than a simple thermometer – it is a complete handheld thermo-hygrometer that tracks two critical environmental parameters simultaneously.
• Use it for:
  • HVAC system commissioning and balancing
  • Indoor air quality (IAQ) assessments
  • Drying and water damage restoration
  • Paint and coating application conditions
  • Agriculture and livestock facility monitoring
  • Museum, archive, and art storage preservation
  • Residential comfort verification

Battery Efficient & Always Ready

• Low power consumption means this handheld thermo-hygrometer lasts through long inspection routes.
• Quick response time allows you to move from room to room, rack to rack, or zone to zone efficiently.

Intuitive Button Layout

• Clearly marked buttons for:
  • HOLD – freeze readings
  • MAX/MIN – recall extremes
  • °C/°F – unit conversion
  • MEM – data saving (231A)
  • Alarm setting – threshold configuration
• No need to study a 50-page manual – this handheld thermo-hygrometer is immediately intuitive.

Stable & Reliable Performance

• Built with Victor's reputation for quality instruments, this handheld thermo-hygrometer delivers consistent, drift-resistant measurements.
• The sensor is protected and responsive, giving you confidence in every reading.
• Perfect for professionals who cannot afford false readings or calibration drift.

Lightweight & Portable – The Everyday Companion

• Weighing almost nothing, this handheld thermo-hygrometer can ride along on every service call without adding bulk.
• Rubberized or ergonomic grip (implied by design) ensures the meter stays secure in your hand even while climbing ladders or reaching into tight spaces.

Applications Across Industries

Industry	Use Case
HVAC	Balancing air handlers, verifying supply/return temps, humidity control
Warehousing	Preventing mold, maintaining product integrity
Food service	Walk-in cooler/freezer monitoring
Healthcare	Medicine storage, isolation room monitoring
Agriculture	Barn ventilation, grain storage, hatchery conditions
Residential	Comfort complaints, drying verification, basement humidity checks
Industrial	Compressor rooms, painting booths, clean environments